body{
    background-image: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}
#big_box{
    width: 300px;
    height: 400px;
    background-image: linear-gradient(to top, #fddb92 0%, #d1fdff 100%);
    border-radius: 10px;
    border: 2px solid rgb(205, 108, 108);
    margin: 0 auto;
    position: relative;
}
#content{
    font-size: 2pc;
    position: absolute;
    top: 50px;
    left:86px;
}
#username{
    width: 270px;
    height: 40px;
    border: 2px solid black;
    margin: 170px 14px auto;
    position: absolute;
    border-radius: 10px;
    font-size: large;
}
#password{
    width: 270px;
    height: 40px;
    border: 2px solid black;
    left: 14px;
    top:270px;
    position: absolute;
    border-radius: 10px;
    font-size: large;
}
#login{
    position: absolute;
    width: 80px;
    height: 40px;
    top:340px;
    left:110px;
    border-radius: 10px;
    font-size: large;
}